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9 Genetics

9 Genetics Keywords

QuestionAnswer
characteristics The features of an organism.
DNA A large molecule that contains genes.
gamete Scientific word for sex cell.
gene gene jeen A length of DNA that controls one inherited characteristic of an organism.
genetic information The instructions that control your characteristics.
inherited Passed on to an organism from its parents.
variation The differences between things or organisms.
environment The surroundings of an organism.
environmental factors Things in an environment that can change something about an organism.
resistant Something that is not affected by disease
species A group of organisms that can reproduce with each other to produce offspring that will also be able to reproduce.
variety A set of plants that are in some way different from other members of the same species.
breed A set of animals that are in some way different from other members of the same species.
breeding To mate two organisms of the same species to produce offspring.
cross-breeding When different varieties or breeds are mated with one another.
selective breeding When humans choose certain animals and plants that have useful characteristics and breed more of these organisms.
yield How much of something useful to humans that an organism produces.
fertilisation Fusing of a male sex cell with a female sex cell.
ovary Part of the female reproductive organs in a plant.
ovule Contains egg cells in plants.
pollen The male sex cell (gamete) in plants.
pollen tube Tube that grows from a pollen grain down through the stigma and style and into the ovary.
pollination Transfer of pollen from an anther to a stigma.
seed Grows into a new plant.
stigma Part of the female reproductive organs in a plant.
Created by: grovebiol